zerotrie/error.rs
1// This file is part of ICU4X. For terms of use, please see the file
2// called LICENSE at the top level of the ICU4X source tree
3// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
4
5use displaydoc::Display;
6
7/// Error types for the `zerotrie` crate.
8#[derive(Debug, Copy, Clone, PartialEq, Eq, Display)]
9#[non_exhaustive]
10pub enum ZeroTrieBuildError {
11 /// Non-ASCII data was added to an ASCII-only trie.
12 #[displaydoc("Non-ASCII cannot be added to an ASCII-only trie")]
13 NonAsciiError,
14 /// The trie reached its maximum supported capacity.
15 #[displaydoc("Reached maximum capacity of trie")]
16 CapacityExceeded,
17 /// The builder could not solve the perfect hash function.
18 #[displaydoc("Failed to solve the perfect hash function. This is rare! Please report your case to the ICU4X team.")]
19 CouldNotSolvePerfectHash,
20 /// Mixed-case data was added to a case-insensitive trie.
21 #[displaydoc("Mixed-case data added to case-insensitive trie")]
22 MixedCase,
23}
24
25impl core::error::Error for ZeroTrieBuildError {}